Observer added to reflect instant changes on UI

CodeEdit/Features/WindowCommands/Utils/WindowControllerPropertyWrapper.swift

@@ -39,6 +39,7 @@ struct UpdatingWindowController: DynamicProperty {
  private var objectWillChangeCancellable: AnyCancellable?
  private var utilityAreaCancellable: AnyCancellable? // ``ViewCommands`` needs this.
  private var windowCancellable: AnyCancellable?
+ private var activeEditorCancellable: AnyCancellable?
 
  init() {
  windowCancellable = NSApp.publisher(for: \.keyWindow).sink { [weak self] window in
@@ -51,6 +52,8 @@ struct UpdatingWindowController: DynamicProperty {
  objectWillChangeCancellable = nil
  utilityAreaCancellable?.cancel()
  utilityAreaCancellable = nil
+ activeEditorCancellable?.cancel()
+ activeEditorCancellable = nil
 
  self.controller = controller
 
@@ -60,6 +63,10 @@ struct UpdatingWindowController: DynamicProperty {
  utilityAreaCancellable = controller?.workspace?.utilityAreaModel?.objectWillChange.sink { [weak self] in
  self?.objectWillChange.send()
  }
+ let activeEditor = controller?.workspace?.editorManager?.activeEditor
+ activeEditorCancellable = activeEditor?.objectWillChange.sink { [weak self] in
+ self?.objectWillChange.send()
+ }
  self.objectWillChange.send()
  }
  }